Trait HasFallibleSpan 

pub trait HasFallibleSpan {
    // Required method
    fn maybe_span(&self) -> Option<Span>;
}

Required Methods

fn maybe_span(&self) -> Option<Span>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl HasFallibleSpan for ()

fn maybe_span(&self) -> Option<Span>

impl HasFallibleSpan for Option<Span>

fn maybe_span(&self) -> Option<Span>

impl HasFallibleSpan for bool

fn maybe_span(&self) -> Option<Span>

impl<T> HasFallibleSpan for Option<Spanned<T>>

fn maybe_span(&self) -> Option<Span>

impl<T> HasFallibleSpan for Option<Tagged<T>>

fn maybe_span(&self) -> Option<Span>

Implementors

impl<T> HasFallibleSpan for T

where T: HasSpan,